[PATCH 1/2] usb: imx: add support for setting power pin polarity on i.MX6/7

[Sascha Hauer]

On Mon, Nov 23, 2020 at 04:29:30PM +0100, Lucas Stach wrote:
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> ---
>  drivers/usb/imx/imx-usb-misc.c | 5 +++++
>  1 file changed, 5 insertions(+)

Applied, thanks

Sascha

> 
> diff --git a/drivers/usb/imx/imx-usb-misc.c b/drivers/usb/imx/imx-usb-misc.c
> index 3a5ec236e532..b663d073aa88 100644
> --- a/drivers/usb/imx/imx-usb-misc.c
> +++ b/drivers/usb/imx/imx-usb-misc.c
> @@ -354,6 +354,7 @@ static __maybe_unused struct imx_usb_misc_data mx5_data = {
>  #define MX6_USB_CTRL(n)			((n) * 4)
>  #define MX6_USB_CTRL_OVER_CUR_DIS	(1 << 7)
>  #define MX6_USB_CTRL_OVER_CUR_ACT_HIGH	(1 << 8)
> +#define MX6_USB_CTRL_PWR_POLARITY	(1 << 9)
>  
>  static void mx6_hsic_pullup(unsigned long reg, int on)
>  {
> @@ -380,6 +381,8 @@ static __maybe_unused int mx6_initialize_usb_hw(void __iomem *base, int port,
>  		val = readl(base + MX6_USB_CTRL(port));
>  		if (flags & MXC_EHCI_DISABLE_OVERCURRENT)
>  			val |= MX6_USB_CTRL_OVER_CUR_DIS;
> +		if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
> +			val |= MX6_USB_CTRL_PWR_POLARITY;
>  		writel(val, base + MX6_USB_CTRL(port));
>  		break;
>  	case 2: /* HSIC port */
> @@ -454,6 +457,8 @@ static int usbmisc_imx7d_init(void __iomem *base, int port,
>  		else
>  			reg |= MX6_USB_CTRL_OVER_CUR_ACT_HIGH;
>  	}
> +	if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
> +		reg |= MX6_USB_CTRL_PWR_POLARITY;
>  	writel(reg, base);
>  
>  	reg = readl(base + MX7D_USBNC_USB_CTRL2);
> -- 
> 2.20.1
> 
> 
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